2001 TOYOTA PRIUS Service Repair Manual

BE1UY±02
I18844
Engine Room J/B No. 2 Relay Block
Instrument Panel
J/B
No. 3 Relay Block BE±12
± BODY ELECTRICALPOWER SOURCE
1679 Author: Date:
2001 PRIUS (RM778U)
POWER SOURCE
LOCATION

I17787
Engine room J/B:
Fuses:
1. HTR Fuse
2. RDI Fuse
3. ABS No. 2 Fuse
4. CDS FAN Fuse
5. HORN Fuse
6. THRO Fuse
7. ABS No. 3 Fuse
8. TURN±HAZ Fuse
9. AM2 Fuse
10. BATT FANRelays:
A. FAN NO. 1 Relay
B. FAN NO. 2 Relay
C. FAN NO. 3 Relay
D. IG2 Relay
E. HORN Relay
F. HTR Relay
G. EFI Relay
H. CLR MG Relay
I. HEAD Relay
J. CIR OPN Relay
K. DIM Relay *1
123 4 5 6 7 8
91011
121314
1516
17
18 K
J
A B
C D E
F
G H
I
11. DOME Fuse
12. HEAD HI (RH) Fuse *1
13. HEAD HI (LH) Fuse *1
14. HEAD LO (LH) *1
HEAD (LH) *2
15. HEAD LO (RH) *1
HEAD (RH) *2
16. EFI Fuse
17. HEV Fuse
18. HEAD Fuse *1
*1: w/ Daytime Running Light
*2: w/o Daytime Running Light
± BODY ELECTRICALPOWER SOURCE
BE±13
1680 Author: Date:
2001 PRIUS (RM778U)

I17788
Instrument Panel J/B:
Fuses: Relays:
A. IG1 Relay
B. ACC Relay
C. TAIL Relay
D. POWER Relay
E. DEF Relay
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 A
B C
D
16
E
1. HTR Fuse
2. STOP Fuse
3. ECU±B Fuse
4. DOOR Fuse
5. OBDII Fuse
6. PWR1 Fuse
7. AM1 Fuse8. GAUGE Fuse
9. ECU±IG Fuse
10. WIPER Fuse
11. WASHER Fuse
12. PANEL Fuse
13. TAIL Fuse
14. ACC Fuse15. CIG Fuse
16. SRS ACC Fuse
17. PWR Fuse
18 DEF Fuse
1718 BE±14
± BODY ELECTRICALPOWER SOURCE
1681 Author: Date:
2001 PRIUS (RM778U)

I17789
1 2 3456
7 A B
C
D E
Fuses: Relays: Engine Room R/B No. 3:
G H
1. HTR2 Fuse
2. HTR1 Fuse
3. ABS No. 4 Fuse
4. ABS No. 1 Fuse5. EMPS Fuse
6. HTR3 Fuse
7. DRL FuseA. A/C W/P Relay
B. ABS SOL Relay
C. DRL Relay
D. HTR2 RelayE. HTR1 Relay
G. HTR3 Relay
H. EPMS Relay
Engine Room R/B No. 2:
A B C
Relays:
A. IGCT Relay
B. HYDRO MTR No. 2 Relay
C. HYDRO MTR No. 1 Relay
± BODY ELECTRICALPOWER SOURCE
BE±15
1682 Author: Date:
2001 PRIUS (RM778U)

BE1UX±02
I14295
7
8
13
14 16
17
HI
Flash OFFTAIL HEAD LO
Z05930
1
2
31
55 3
2
N14863
12
35
12 35
Z05930
1
2
351
2 3
5 BE±20
± BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
2001 PRIUS (RM778U)
INSPECTION
1. INSPECT LIGHT CONTROL SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF±No continuity
TAIL14 ± 16Continuity
HEAD13 ± 14 ± 16Continuity
If continuity is not as specified, replace the switch.
2. INSPECT HEADLIGHT DIMMER SWITCH CONTINU-
ITY
Switch positionTester connectionSpecified condition
Low beam16 ± 17Continuity
High beam7 ± 16Continuity
Flash7 ± 8 ± 16Continuity
If continuity is not as specified, replace the switch.
3. INSPECT HEADLIGHT CONTROL RELAY CONTINU-
ITY
ConditionTester connectionSpecified condition
Constant1 ± 3Continuity
Apply B+ between
terminals 1 and 2.2 ± 5Continuity
If continuity is not as specified, replace the relay.
4. INSPECT TAILLIGHT CONTROL RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant1 ± 2Continuity
Apply B+ between
terminals 1 and 2.3 ± 5Continuity
If continuity is not as specified, replace the relay.
5. INSPECT DRL RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant1 ± 3Continuity
Apply B+ between
terminals 1 and 2.2 ± 5Continuity
If continuity is not as specified, replace the relay.